The E-3 classification applies only to nationals of Australia. You must be coming to the United States solely to perform services in a specialty occupation. The specialty occupation requires theoretical and practical application of a body of highly specialized knowledge and the attainment of a bachelor’s or higher degree in the specific specialty, or its equivalent, as a minimum for entry into the occupation in the United States.
To qualify for an E-3 visa, you must demonstrate, among other things, that you:
An E-3 nonimmigrant worker’s spouse and unmarried children under 21 years of age are entitled to dependent E-3 classification. Children of E-3 workers may not be employed in the United States.
Spouses of E-3 workers in valid E-3 or E-3S status are considered employment authorized incident to status.